68540480

素因数分解:

$2^6\times 5^1\times {\mathrm{214189}}^1$

素因数の和:214206

約数の個数: 28

約数和(自身を含む): 163212780

約数和(自身を除く): 94672300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 214189, 428378, 856756, 1070945, 1713512, 2141890, 3427024, 4283780, 6854048, 8567560, 13708096, 17135120, 34270240, 68540480]

約数ペア:

[(1, 68540480), (2, 34270240), (4, 17135120), (5, 13708096), (8, 8567560), (10, 6854048), (16, 4283780), (20, 3427024), (32, 2141890), (40, 1713512), (64, 1070945), (80, 856756), (160, 428378), (320, 214189)]